出处：按学科分类—语言、文字 中国对外翻译出版公司《汉英成语词典》第44页（228字）
形容经过的山水非常之多，路途十分遥远艰险，例张骞出使西域经历了万水千山，任重而道远。
Zhang Qian’s journey to the Western Regions was not only a long and arduous journey but also the shouldering of heavy responsibilities．